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Finding the Fourth Proportional to 159,810.39, 239,653.31 and 59,916.11

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Solution

The fourth proportional to 159,810.39, 239,653.31 and 59,916.11 is: 89,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,810.39 : 239,653.31 = 59,916.11 : x
  2. Step 2: Convert to fraction form
    159,810.39/239,653.31 = 59,916.11/x
  3. Step 3: Cross multiply
    159,810.39x = 239,653.31 × 59,916.11
  4. Step 4: Simplify right side
    159,810.39x = 14,359,092,585.98
  5. Step 5: Solve for x
    x = 14,359,092,585.98/159,810.39
  6. Step 6: Final answer
    x = 89,850.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.